1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Marvell RVU Admin Function driver 3 * 4 * Copyright (C) 2018 Marvell. 5 * 6 */ 7 8 #ifndef RVU_H 9 #define RVU_H 10 11 #include <linux/pci.h> 12 #include <net/devlink.h> 13 14 #include "rvu_struct.h" 15 #include "rvu_devlink.h" 16 #include "common.h" 17 #include "mbox.h" 18 #include "npc.h" 19 #include "rvu_reg.h" 20 21 /* PCI device IDs */ 22 #define PCI_DEVID_OCTEONTX2_RVU_AF 0xA065 23 #define PCI_DEVID_OCTEONTX2_LBK 0xA061 24 25 /* Subsystem Device ID */ 26 #define PCI_SUBSYS_DEVID_96XX 0xB200 27 #define PCI_SUBSYS_DEVID_CN10K_A 0xB900 28 29 /* PCI BAR nos */ 30 #define PCI_AF_REG_BAR_NUM 0 31 #define PCI_PF_REG_BAR_NUM 2 32 #define PCI_MBOX_BAR_NUM 4 33 34 #define NAME_SIZE 32 35 #define MAX_NIX_BLKS 2 36 #define MAX_CPT_BLKS 2 37 38 /* PF_FUNC */ 39 #define RVU_PFVF_PF_SHIFT 10 40 #define RVU_PFVF_PF_MASK 0x3F 41 #define RVU_PFVF_FUNC_SHIFT 0 42 #define RVU_PFVF_FUNC_MASK 0x3FF 43 44 #ifdef CONFIG_DEBUG_FS 45 struct dump_ctx { 46 int lf; 47 int id; 48 bool all; 49 }; 50 51 struct cpt_ctx { 52 int blkaddr; 53 struct rvu *rvu; 54 }; 55 56 struct rvu_debugfs { 57 struct dentry *root; 58 struct dentry *cgx_root; 59 struct dentry *cgx; 60 struct dentry *lmac; 61 struct dentry *npa; 62 struct dentry *nix; 63 struct dentry *npc; 64 struct dentry *cpt; 65 struct dump_ctx npa_aura_ctx; 66 struct dump_ctx npa_pool_ctx; 67 struct dump_ctx nix_cq_ctx; 68 struct dump_ctx nix_rq_ctx; 69 struct dump_ctx nix_sq_ctx; 70 struct cpt_ctx cpt_ctx[MAX_CPT_BLKS]; 71 int npa_qsize_id; 72 int nix_qsize_id; 73 }; 74 #endif 75 76 struct rvu_work { 77 struct work_struct work; 78 struct rvu *rvu; 79 int num_msgs; 80 int up_num_msgs; 81 }; 82 83 struct rsrc_bmap { 84 unsigned long *bmap; /* Pointer to resource bitmap */ 85 u16 max; /* Max resource id or count */ 86 }; 87 88 struct rvu_block { 89 struct rsrc_bmap lf; 90 struct admin_queue *aq; /* NIX/NPA AQ */ 91 u16 *fn_map; /* LF to pcifunc mapping */ 92 bool multislot; 93 bool implemented; 94 u8 addr; /* RVU_BLOCK_ADDR_E */ 95 u8 type; /* RVU_BLOCK_TYPE_E */ 96 u8 lfshift; 97 u64 lookup_reg; 98 u64 pf_lfcnt_reg; 99 u64 vf_lfcnt_reg; 100 u64 lfcfg_reg; 101 u64 msixcfg_reg; 102 u64 lfreset_reg; 103 unsigned char name[NAME_SIZE]; 104 struct rvu *rvu; 105 }; 106 107 struct nix_mcast { 108 struct qmem *mce_ctx; 109 struct qmem *mcast_buf; 110 int replay_pkind; 111 int next_free_mce; 112 struct mutex mce_lock; /* Serialize MCE updates */ 113 }; 114 115 struct nix_mce_list { 116 struct hlist_head head; 117 int count; 118 int max; 119 }; 120 121 /* layer metadata to uniquely identify a packet header field */ 122 struct npc_layer_mdata { 123 u8 lid; 124 u8 ltype; 125 u8 hdr; 126 u8 key; 127 u8 len; 128 }; 129 130 /* Structure to represent a field present in the 131 * generated key. A key field may present anywhere and can 132 * be of any size in the generated key. Once this structure 133 * is populated for fields of interest then field's presence 134 * and location (if present) can be known. 135 */ 136 struct npc_key_field { 137 /* Masks where all set bits indicate position 138 * of a field in the key 139 */ 140 u64 kw_mask[NPC_MAX_KWS_IN_KEY]; 141 /* Number of words in the key a field spans. If a field is 142 * of 16 bytes and key offset is 4 then the field will use 143 * 4 bytes in KW0, 8 bytes in KW1 and 4 bytes in KW2 and 144 * nr_kws will be 3(KW0, KW1 and KW2). 145 */ 146 int nr_kws; 147 /* used by packet header fields */ 148 struct npc_layer_mdata layer_mdata; 149 }; 150 151 struct npc_mcam { 152 struct rsrc_bmap counters; 153 struct mutex lock; /* MCAM entries and counters update lock */ 154 unsigned long *bmap; /* bitmap, 0 => bmap_entries */ 155 unsigned long *bmap_reverse; /* Reverse bitmap, bmap_entries => 0 */ 156 u16 bmap_entries; /* Number of unreserved MCAM entries */ 157 u16 bmap_fcnt; /* MCAM entries free count */ 158 u16 *entry2pfvf_map; 159 u16 *entry2cntr_map; 160 u16 *cntr2pfvf_map; 161 u16 *cntr_refcnt; 162 u16 *entry2target_pffunc; 163 u8 keysize; /* MCAM keysize 112/224/448 bits */ 164 u8 banks; /* Number of MCAM banks */ 165 u8 banks_per_entry;/* Number of keywords in key */ 166 u16 banksize; /* Number of MCAM entries in each bank */ 167 u16 total_entries; /* Total number of MCAM entries */ 168 u16 nixlf_offset; /* Offset of nixlf rsvd uncast entries */ 169 u16 pf_offset; /* Offset of PF's rsvd bcast, promisc entries */ 170 u16 lprio_count; 171 u16 lprio_start; 172 u16 hprio_count; 173 u16 hprio_end; 174 u16 rx_miss_act_cntr; /* Counter for RX MISS action */ 175 /* fields present in the generated key */ 176 struct npc_key_field tx_key_fields[NPC_KEY_FIELDS_MAX]; 177 struct npc_key_field rx_key_fields[NPC_KEY_FIELDS_MAX]; 178 u64 tx_features; 179 u64 rx_features; 180 struct list_head mcam_rules; 181 }; 182 183 /* Structure for per RVU func info ie PF/VF */ 184 struct rvu_pfvf { 185 bool npalf; /* Only one NPALF per RVU_FUNC */ 186 bool nixlf; /* Only one NIXLF per RVU_FUNC */ 187 u16 sso; 188 u16 ssow; 189 u16 cptlfs; 190 u16 timlfs; 191 u16 cpt1_lfs; 192 u8 cgx_lmac; 193 194 /* Block LF's MSIX vector info */ 195 struct rsrc_bmap msix; /* Bitmap for MSIX vector alloc */ 196 #define MSIX_BLKLF(blkaddr, lf) (((blkaddr) << 8) | ((lf) & 0xFF)) 197 u16 *msix_lfmap; /* Vector to block LF mapping */ 198 199 /* NPA contexts */ 200 struct qmem *aura_ctx; 201 struct qmem *pool_ctx; 202 struct qmem *npa_qints_ctx; 203 unsigned long *aura_bmap; 204 unsigned long *pool_bmap; 205 206 /* NIX contexts */ 207 struct qmem *rq_ctx; 208 struct qmem *sq_ctx; 209 struct qmem *cq_ctx; 210 struct qmem *rss_ctx; 211 struct qmem *cq_ints_ctx; 212 struct qmem *nix_qints_ctx; 213 unsigned long *sq_bmap; 214 unsigned long *rq_bmap; 215 unsigned long *cq_bmap; 216 217 u16 rx_chan_base; 218 u16 tx_chan_base; 219 u8 rx_chan_cnt; /* total number of RX channels */ 220 u8 tx_chan_cnt; /* total number of TX channels */ 221 u16 maxlen; 222 u16 minlen; 223 224 bool hw_rx_tstamp_en; /* Is rx_tstamp enabled */ 225 u8 mac_addr[ETH_ALEN]; /* MAC address of this PF/VF */ 226 u8 default_mac[ETH_ALEN]; /* MAC address from FWdata */ 227 228 /* Broadcast/Multicast/Promisc pkt replication info */ 229 u16 bcast_mce_idx; 230 u16 mcast_mce_idx; 231 u16 promisc_mce_idx; 232 struct nix_mce_list bcast_mce_list; 233 struct nix_mce_list mcast_mce_list; 234 struct nix_mce_list promisc_mce_list; 235 bool use_mce_list; 236 237 struct rvu_npc_mcam_rule *def_ucast_rule; 238 239 bool cgx_in_use; /* this PF/VF using CGX? */ 240 int cgx_users; /* number of cgx users - used only by PFs */ 241 242 int intf_mode; 243 u8 nix_blkaddr; /* BLKADDR_NIX0/1 assigned to this PF */ 244 u8 nix_rx_intf; /* NIX0_RX/NIX1_RX interface to NPC */ 245 u8 nix_tx_intf; /* NIX0_TX/NIX1_TX interface to NPC */ 246 u8 lbkid; /* NIX0/1 lbk link ID */ 247 u64 lmt_base_addr; /* Preseving the pcifunc's lmtst base addr*/ 248 u64 lmt_map_ent_w1; /* Preseving the word1 of lmtst map table entry*/ 249 unsigned long flags; 250 struct sdp_node_info *sdp_info; 251 }; 252 253 enum rvu_pfvf_flags { 254 NIXLF_INITIALIZED = 0, 255 PF_SET_VF_MAC, 256 PF_SET_VF_CFG, 257 PF_SET_VF_TRUSTED, 258 }; 259 260 #define RVU_CLEAR_VF_PERM ~GENMASK(PF_SET_VF_TRUSTED, PF_SET_VF_MAC) 261 262 struct nix_txsch { 263 struct rsrc_bmap schq; 264 u8 lvl; 265 #define NIX_TXSCHQ_FREE BIT_ULL(1) 266 #define NIX_TXSCHQ_CFG_DONE BIT_ULL(0) 267 #define TXSCH_MAP_FUNC(__pfvf_map) ((__pfvf_map) & 0xFFFF) 268 #define TXSCH_MAP_FLAGS(__pfvf_map) ((__pfvf_map) >> 16) 269 #define TXSCH_MAP(__func, __flags) (((__func) & 0xFFFF) | ((__flags) << 16)) 270 #define TXSCH_SET_FLAG(__pfvf_map, flag) ((__pfvf_map) | ((flag) << 16)) 271 u32 *pfvf_map; 272 }; 273 274 struct nix_mark_format { 275 u8 total; 276 u8 in_use; 277 u32 *cfg; 278 }; 279 280 struct npc_pkind { 281 struct rsrc_bmap rsrc; 282 u32 *pfchan_map; 283 }; 284 285 struct nix_flowkey { 286 #define NIX_FLOW_KEY_ALG_MAX 32 287 u32 flowkey[NIX_FLOW_KEY_ALG_MAX]; 288 int in_use; 289 }; 290 291 struct nix_lso { 292 u8 total; 293 u8 in_use; 294 }; 295 296 struct nix_txvlan { 297 #define NIX_TX_VTAG_DEF_MAX 0x400 298 struct rsrc_bmap rsrc; 299 u16 *entry2pfvf_map; 300 struct mutex rsrc_lock; /* Serialize resource alloc/free */ 301 }; 302 303 struct nix_ipolicer { 304 struct rsrc_bmap band_prof; 305 u16 *pfvf_map; 306 u16 *match_id; 307 u16 *ref_count; 308 }; 309 310 struct nix_hw { 311 int blkaddr; 312 struct rvu *rvu; 313 struct nix_txsch txsch[NIX_TXSCH_LVL_CNT]; /* Tx schedulers */ 314 struct nix_mcast mcast; 315 struct nix_flowkey flowkey; 316 struct nix_mark_format mark_format; 317 struct nix_lso lso; 318 struct nix_txvlan txvlan; 319 struct nix_ipolicer *ipolicer; 320 u64 *tx_credits; 321 }; 322 323 /* RVU block's capabilities or functionality, 324 * which vary by silicon version/skew. 325 */ 326 struct hw_cap { 327 /* Transmit side supported functionality */ 328 u8 nix_tx_aggr_lvl; /* Tx link's traffic aggregation level */ 329 u16 nix_txsch_per_cgx_lmac; /* Max Q's transmitting to CGX LMAC */ 330 u16 nix_txsch_per_lbk_lmac; /* Max Q's transmitting to LBK LMAC */ 331 u16 nix_txsch_per_sdp_lmac; /* Max Q's transmitting to SDP LMAC */ 332 bool nix_fixed_txschq_mapping; /* Schq mapping fixed or flexible */ 333 bool nix_shaping; /* Is shaping and coloring supported */ 334 bool nix_shaper_toggle_wait; /* Shaping toggle needs poll/wait */ 335 bool nix_tx_link_bp; /* Can link backpressure TL queues ? */ 336 bool nix_rx_multicast; /* Rx packet replication support */ 337 bool nix_common_dwrr_mtu; /* Common DWRR MTU for quantum config */ 338 bool per_pf_mbox_regs; /* PF mbox specified in per PF registers ? */ 339 bool programmable_chans; /* Channels programmable ? */ 340 bool ipolicer; 341 bool npc_hash_extract; /* Hash extract enabled ? */ 342 bool npc_exact_match_enabled; /* Exact match supported ? */ 343 }; 344 345 struct rvu_hwinfo { 346 u8 total_pfs; /* MAX RVU PFs HW supports */ 347 u16 total_vfs; /* Max RVU VFs HW supports */ 348 u16 max_vfs_per_pf; /* Max VFs that can be attached to a PF */ 349 u8 cgx; 350 u8 lmac_per_cgx; 351 u16 cgx_chan_base; /* CGX base channel number */ 352 u16 lbk_chan_base; /* LBK base channel number */ 353 u16 sdp_chan_base; /* SDP base channel number */ 354 u16 cpt_chan_base; /* CPT base channel number */ 355 u8 cgx_links; 356 u8 lbk_links; 357 u8 sdp_links; 358 u8 cpt_links; /* Number of CPT links */ 359 u8 npc_kpus; /* No of parser units */ 360 u8 npc_pkinds; /* No of port kinds */ 361 u8 npc_intfs; /* No of interfaces */ 362 u8 npc_kpu_entries; /* No of KPU entries */ 363 u16 npc_counters; /* No of match stats counters */ 364 u32 lbk_bufsize; /* FIFO size supported by LBK */ 365 bool npc_ext_set; /* Extended register set */ 366 u64 npc_stat_ena; /* Match stats enable bit */ 367 368 struct hw_cap cap; 369 struct rvu_block block[BLK_COUNT]; /* Block info */ 370 struct nix_hw *nix; 371 struct rvu *rvu; 372 struct npc_pkind pkind; 373 struct npc_mcam mcam; 374 struct npc_exact_table *table; 375 }; 376 377 struct mbox_wq_info { 378 struct otx2_mbox mbox; 379 struct rvu_work *mbox_wrk; 380 381 struct otx2_mbox mbox_up; 382 struct rvu_work *mbox_wrk_up; 383 384 struct workqueue_struct *mbox_wq; 385 }; 386 387 struct rvu_fwdata { 388 #define RVU_FWDATA_HEADER_MAGIC 0xCFDA /* Custom Firmware Data*/ 389 #define RVU_FWDATA_VERSION 0x0001 390 u32 header_magic; 391 u32 version; /* version id */ 392 393 /* MAC address */ 394 #define PF_MACNUM_MAX 32 395 #define VF_MACNUM_MAX 256 396 u64 pf_macs[PF_MACNUM_MAX]; 397 u64 vf_macs[VF_MACNUM_MAX]; 398 u64 sclk; 399 u64 rclk; 400 u64 mcam_addr; 401 u64 mcam_sz; 402 u64 msixtr_base; 403 u32 ptp_ext_clk_rate; 404 u32 ptp_ext_tstamp; 405 #define FWDATA_RESERVED_MEM 1022 406 u64 reserved[FWDATA_RESERVED_MEM]; 407 #define CGX_MAX 5 408 #define CGX_LMACS_MAX 4 409 struct cgx_lmac_fwdata_s cgx_fw_data[CGX_MAX][CGX_LMACS_MAX]; 410 /* Do not add new fields below this line */ 411 }; 412 413 struct ptp; 414 415 /* KPU profile adapter structure gathering all KPU configuration data and abstracting out the 416 * source where it came from. 417 */ 418 struct npc_kpu_profile_adapter { 419 const char *name; 420 u64 version; 421 const struct npc_lt_def_cfg *lt_def; 422 const struct npc_kpu_profile_action *ikpu; /* array[pkinds] */ 423 const struct npc_kpu_profile *kpu; /* array[kpus] */ 424 struct npc_mcam_kex *mkex; 425 struct npc_mcam_kex_hash *mkex_hash; 426 bool custom; 427 size_t pkinds; 428 size_t kpus; 429 }; 430 431 #define RVU_SWITCH_LBK_CHAN 63 432 433 struct rvu_switch { 434 struct mutex switch_lock; /* Serialize flow installation */ 435 u32 used_entries; 436 u16 *entry2pcifunc; 437 u16 mode; 438 u16 start_entry; 439 }; 440 441 struct rvu { 442 void __iomem *afreg_base; 443 void __iomem *pfreg_base; 444 struct pci_dev *pdev; 445 struct device *dev; 446 struct rvu_hwinfo *hw; 447 struct rvu_pfvf *pf; 448 struct rvu_pfvf *hwvf; 449 struct mutex rsrc_lock; /* Serialize resource alloc/free */ 450 int vfs; /* Number of VFs attached to RVU */ 451 int nix_blkaddr[MAX_NIX_BLKS]; 452 453 /* Mbox */ 454 struct mbox_wq_info afpf_wq_info; 455 struct mbox_wq_info afvf_wq_info; 456 457 /* PF FLR */ 458 struct rvu_work *flr_wrk; 459 struct workqueue_struct *flr_wq; 460 struct mutex flr_lock; /* Serialize FLRs */ 461 462 /* MSI-X */ 463 u16 num_vec; 464 char *irq_name; 465 bool *irq_allocated; 466 dma_addr_t msix_base_iova; 467 u64 msixtr_base_phy; /* Register reset value */ 468 469 /* CGX */ 470 #define PF_CGXMAP_BASE 1 /* PF 0 is reserved for RVU PF */ 471 u16 cgx_mapped_vfs; /* maximum CGX mapped VFs */ 472 u8 cgx_mapped_pfs; 473 u8 cgx_cnt_max; /* CGX port count max */ 474 u8 *pf2cgxlmac_map; /* pf to cgx_lmac map */ 475 u16 *cgxlmac2pf_map; /* bitmap of mapped pfs for 476 * every cgx lmac port 477 */ 478 unsigned long pf_notify_bmap; /* Flags for PF notification */ 479 void **cgx_idmap; /* cgx id to cgx data map table */ 480 struct work_struct cgx_evh_work; 481 struct workqueue_struct *cgx_evh_wq; 482 spinlock_t cgx_evq_lock; /* cgx event queue lock */ 483 struct list_head cgx_evq_head; /* cgx event queue head */ 484 struct mutex cgx_cfg_lock; /* serialize cgx configuration */ 485 486 char mkex_pfl_name[MKEX_NAME_LEN]; /* Configured MKEX profile name */ 487 char kpu_pfl_name[KPU_NAME_LEN]; /* Configured KPU profile name */ 488 489 /* Firmware data */ 490 struct rvu_fwdata *fwdata; 491 void *kpu_fwdata; 492 size_t kpu_fwdata_sz; 493 void __iomem *kpu_prfl_addr; 494 495 /* NPC KPU data */ 496 struct npc_kpu_profile_adapter kpu; 497 498 struct ptp *ptp; 499 500 #ifdef CONFIG_DEBUG_FS 501 struct rvu_debugfs rvu_dbg; 502 #endif 503 struct rvu_devlink *rvu_dl; 504 505 /* RVU switch implementation over NPC with DMAC rules */ 506 struct rvu_switch rswitch; 507 }; 508 509 static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val) 510 { 511 writeq(val, rvu->afreg_base + ((block << 28) | offset)); 512 } 513 514 static inline u64 rvu_read64(struct rvu *rvu, u64 block, u64 offset) 515 { 516 return readq(rvu->afreg_base + ((block << 28) | offset)); 517 } 518 519 static inline void rvupf_write64(struct rvu *rvu, u64 offset, u64 val) 520 { 521 writeq(val, rvu->pfreg_base + offset); 522 } 523 524 static inline u64 rvupf_read64(struct rvu *rvu, u64 offset) 525 { 526 return readq(rvu->pfreg_base + offset); 527 } 528 529 /* Silicon revisions */ 530 static inline bool is_rvu_pre_96xx_C0(struct rvu *rvu) 531 { 532 struct pci_dev *pdev = rvu->pdev; 533 /* 96XX A0/B0, 95XX A0/A1/B0 chips */ 534 return ((pdev->revision == 0x00) || (pdev->revision == 0x01) || 535 (pdev->revision == 0x10) || (pdev->revision == 0x11) || 536 (pdev->revision == 0x14)); 537 } 538 539 static inline bool is_rvu_96xx_A0(struct rvu *rvu) 540 { 541 struct pci_dev *pdev = rvu->pdev; 542 543 return (pdev->revision == 0x00); 544 } 545 546 static inline bool is_rvu_96xx_B0(struct rvu *rvu) 547 { 548 struct pci_dev *pdev = rvu->pdev; 549 550 return (pdev->revision == 0x00) || (pdev->revision == 0x01); 551 } 552 553 static inline bool is_rvu_95xx_A0(struct rvu *rvu) 554 { 555 struct pci_dev *pdev = rvu->pdev; 556 557 return (pdev->revision == 0x10) || (pdev->revision == 0x11); 558 } 559 560 /* REVID for PCIe devices. 561 * Bits 0..1: minor pass, bit 3..2: major pass 562 * bits 7..4: midr id 563 */ 564 #define PCI_REVISION_ID_96XX 0x00 565 #define PCI_REVISION_ID_95XX 0x10 566 #define PCI_REVISION_ID_95XXN 0x20 567 #define PCI_REVISION_ID_98XX 0x30 568 #define PCI_REVISION_ID_95XXMM 0x40 569 #define PCI_REVISION_ID_95XXO 0xE0 570 571 static inline bool is_rvu_otx2(struct rvu *rvu) 572 { 573 struct pci_dev *pdev = rvu->pdev; 574 575 u8 midr = pdev->revision & 0xF0; 576 577 return (midr == PCI_REVISION_ID_96XX || midr == PCI_REVISION_ID_95XX || 578 midr == PCI_REVISION_ID_95XXN || midr == PCI_REVISION_ID_98XX || 579 midr == PCI_REVISION_ID_95XXMM || midr == PCI_REVISION_ID_95XXO); 580 } 581 582 static inline bool is_rvu_npc_hash_extract_en(struct rvu *rvu) 583 { 584 u64 npc_const3; 585 586 npc_const3 = rvu_read64(rvu, BLKADDR_NPC, NPC_AF_CONST3); 587 if (!(npc_const3 & BIT_ULL(62))) 588 return false; 589 590 return true; 591 } 592 593 static inline u16 rvu_nix_chan_cgx(struct rvu *rvu, u8 cgxid, 594 u8 lmacid, u8 chan) 595 { 596 u64 nix_const = rvu_read64(rvu, BLKADDR_NIX0, NIX_AF_CONST); 597 u16 cgx_chans = nix_const & 0xFFULL; 598 struct rvu_hwinfo *hw = rvu->hw; 599 600 if (!hw->cap.programmable_chans) 601 return NIX_CHAN_CGX_LMAC_CHX(cgxid, lmacid, chan); 602 603 return rvu->hw->cgx_chan_base + 604 (cgxid * hw->lmac_per_cgx + lmacid) * cgx_chans + chan; 605 } 606 607 static inline u16 rvu_nix_chan_lbk(struct rvu *rvu, u8 lbkid, 608 u8 chan) 609 { 610 u64 nix_const = rvu_read64(rvu, BLKADDR_NIX0, NIX_AF_CONST); 611 u16 lbk_chans = (nix_const >> 16) & 0xFFULL; 612 struct rvu_hwinfo *hw = rvu->hw; 613 614 if (!hw->cap.programmable_chans) 615 return NIX_CHAN_LBK_CHX(lbkid, chan); 616 617 return rvu->hw->lbk_chan_base + lbkid * lbk_chans + chan; 618 } 619 620 static inline u16 rvu_nix_chan_sdp(struct rvu *rvu, u8 chan) 621 { 622 struct rvu_hwinfo *hw = rvu->hw; 623 624 if (!hw->cap.programmable_chans) 625 return NIX_CHAN_SDP_CHX(chan); 626 627 return hw->sdp_chan_base + chan; 628 } 629 630 static inline u16 rvu_nix_chan_cpt(struct rvu *rvu, u8 chan) 631 { 632 return rvu->hw->cpt_chan_base + chan; 633 } 634 635 /* Function Prototypes 636 * RVU 637 */ 638 static inline bool is_afvf(u16 pcifunc) 639 { 640 return !(pcifunc & ~RVU_PFVF_FUNC_MASK); 641 } 642 643 static inline bool is_vf(u16 pcifunc) 644 { 645 return !!(pcifunc & RVU_PFVF_FUNC_MASK); 646 } 647 648 /* check if PF_FUNC is AF */ 649 static inline bool is_pffunc_af(u16 pcifunc) 650 { 651 return !pcifunc; 652 } 653 654 static inline bool is_rvu_fwdata_valid(struct rvu *rvu) 655 { 656 return (rvu->fwdata->header_magic == RVU_FWDATA_HEADER_MAGIC) && 657 (rvu->fwdata->version == RVU_FWDATA_VERSION); 658 } 659 660 int rvu_alloc_bitmap(struct rsrc_bmap *rsrc); 661 void rvu_free_bitmap(struct rsrc_bmap *rsrc); 662 int rvu_alloc_rsrc(struct rsrc_bmap *rsrc); 663 void rvu_free_rsrc(struct rsrc_bmap *rsrc, int id); 664 bool is_rsrc_free(struct rsrc_bmap *rsrc, int id); 665 int rvu_rsrc_free_count(struct rsrc_bmap *rsrc); 666 int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc); 667 bool rvu_rsrc_check_contig(struct rsrc_bmap *rsrc, int nrsrc); 668 u16 rvu_get_rsrc_mapcount(struct rvu_pfvf *pfvf, int blkaddr); 669 int rvu_get_pf(u16 pcifunc); 670 struct rvu_pfvf *rvu_get_pfvf(struct rvu *rvu, int pcifunc); 671 void rvu_get_pf_numvfs(struct rvu *rvu, int pf, int *numvfs, int *hwvf); 672 bool is_block_implemented(struct rvu_hwinfo *hw, int blkaddr); 673 bool is_pffunc_map_valid(struct rvu *rvu, u16 pcifunc, int blktype); 674 int rvu_get_lf(struct rvu *rvu, struct rvu_block *block, u16 pcifunc, u16 slot); 675 int rvu_lf_reset(struct rvu *rvu, struct rvu_block *block, int lf); 676 int rvu_get_blkaddr(struct rvu *rvu, int blktype, u16 pcifunc); 677 int rvu_poll_reg(struct rvu *rvu, u64 block, u64 offset, u64 mask, bool zero); 678 int rvu_get_num_lbk_chans(void); 679 int rvu_get_blkaddr_from_slot(struct rvu *rvu, int blktype, u16 pcifunc, 680 u16 global_slot, u16 *slot_in_block); 681 682 /* RVU HW reg validation */ 683 enum regmap_block { 684 TXSCHQ_HWREGMAP = 0, 685 MAX_HWREGMAP, 686 }; 687 688 bool rvu_check_valid_reg(int regmap, int regblk, u64 reg); 689 690 /* NPA/NIX AQ APIs */ 691 int rvu_aq_alloc(struct rvu *rvu, struct admin_queue **ad_queue, 692 int qsize, int inst_size, int res_size); 693 void rvu_aq_free(struct rvu *rvu, struct admin_queue *aq); 694 695 /* SDP APIs */ 696 int rvu_sdp_init(struct rvu *rvu); 697 bool is_sdp_pfvf(u16 pcifunc); 698 bool is_sdp_pf(u16 pcifunc); 699 bool is_sdp_vf(u16 pcifunc); 700 701 /* CGX APIs */ 702 static inline bool is_pf_cgxmapped(struct rvu *rvu, u8 pf) 703 { 704 return (pf >= PF_CGXMAP_BASE && pf <= rvu->cgx_mapped_pfs) && 705 !is_sdp_pf(pf << RVU_PFVF_PF_SHIFT); 706 } 707 708 static inline void rvu_get_cgx_lmac_id(u8 map, u8 *cgx_id, u8 *lmac_id) 709 { 710 *cgx_id = (map >> 4) & 0xF; 711 *lmac_id = (map & 0xF); 712 } 713 714 static inline bool is_cgx_vf(struct rvu *rvu, u16 pcifunc) 715 { 716 return ((pcifunc & RVU_PFVF_FUNC_MASK) && 717 is_pf_cgxmapped(rvu, rvu_get_pf(pcifunc))); 718 } 719 720 #define M(_name, _id, fn_name, req, rsp) \ 721 int rvu_mbox_handler_ ## fn_name(struct rvu *, struct req *, struct rsp *); 722 MBOX_MESSAGES 723 #undef M 724 725 int rvu_cgx_init(struct rvu *rvu); 726 int rvu_cgx_exit(struct rvu *rvu); 727 void *rvu_cgx_pdata(u8 cgx_id, struct rvu *rvu); 728 int rvu_cgx_config_rxtx(struct rvu *rvu, u16 pcifunc, bool start); 729 void rvu_cgx_enadis_rx_bp(struct rvu *rvu, int pf, bool enable); 730 int rvu_cgx_start_stop_io(struct rvu *rvu, u16 pcifunc, bool start); 731 int rvu_cgx_nix_cuml_stats(struct rvu *rvu, void *cgxd, int lmac_id, int index, 732 int rxtxflag, u64 *stat); 733 void rvu_cgx_disable_dmac_entries(struct rvu *rvu, u16 pcifunc); 734 735 /* NPA APIs */ 736 int rvu_npa_init(struct rvu *rvu); 737 void rvu_npa_freemem(struct rvu *rvu); 738 void rvu_npa_lf_teardown(struct rvu *rvu, u16 pcifunc, int npalf); 739 int rvu_npa_aq_enq_inst(struct rvu *rvu, struct npa_aq_enq_req *req, 740 struct npa_aq_enq_rsp *rsp); 741 742 /* NIX APIs */ 743 bool is_nixlf_attached(struct rvu *rvu, u16 pcifunc); 744 int rvu_nix_init(struct rvu *rvu); 745 int rvu_nix_reserve_mark_format(struct rvu *rvu, struct nix_hw *nix_hw, 746 int blkaddr, u32 cfg); 747 void rvu_nix_freemem(struct rvu *rvu); 748 int rvu_get_nixlf_count(struct rvu *rvu); 749 void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int npalf); 750 int nix_get_nixlf(struct rvu *rvu, u16 pcifunc, int *nixlf, int *nix_blkaddr); 751 int nix_update_mce_list(struct rvu *rvu, u16 pcifunc, 752 struct nix_mce_list *mce_list, 753 int mce_idx, int mcam_index, bool add); 754 void nix_get_mce_list(struct rvu *rvu, u16 pcifunc, int type, 755 struct nix_mce_list **mce_list, int *mce_idx); 756 struct nix_hw *get_nix_hw(struct rvu_hwinfo *hw, int blkaddr); 757 int rvu_get_next_nix_blkaddr(struct rvu *rvu, int blkaddr); 758 void rvu_nix_reset_mac(struct rvu_pfvf *pfvf, int pcifunc); 759 int nix_get_struct_ptrs(struct rvu *rvu, u16 pcifunc, 760 struct nix_hw **nix_hw, int *blkaddr); 761 int rvu_nix_setup_ratelimit_aggr(struct rvu *rvu, u16 pcifunc, 762 u16 rq_idx, u16 match_id); 763 int nix_aq_context_read(struct rvu *rvu, struct nix_hw *nix_hw, 764 struct nix_cn10k_aq_enq_req *aq_req, 765 struct nix_cn10k_aq_enq_rsp *aq_rsp, 766 u16 pcifunc, u8 ctype, u32 qidx); 767 int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc); 768 u32 convert_dwrr_mtu_to_bytes(u8 dwrr_mtu); 769 u32 convert_bytes_to_dwrr_mtu(u32 bytes); 770 771 /* NPC APIs */ 772 void rvu_npc_freemem(struct rvu *rvu); 773 int rvu_npc_get_pkind(struct rvu *rvu, u16 pf); 774 void rvu_npc_set_pkind(struct rvu *rvu, int pkind, struct rvu_pfvf *pfvf); 775 int npc_config_ts_kpuaction(struct rvu *rvu, int pf, u16 pcifunc, bool en); 776 void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc, 777 int nixlf, u64 chan, u8 *mac_addr); 778 void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, 779 int nixlf, u64 chan, u8 chan_cnt); 780 void rvu_npc_enable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf, 781 bool enable); 782 void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc, 783 int nixlf, u64 chan); 784 void rvu_npc_enable_bcast_entry(struct rvu *rvu, u16 pcifunc, int nixlf, 785 bool enable); 786 void rvu_npc_install_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf, 787 u64 chan); 788 void rvu_npc_enable_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf, 789 bool enable); 790 791 void npc_enadis_default_mce_entry(struct rvu *rvu, u16 pcifunc, 792 int nixlf, int type, bool enable); 793 void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf); 794 bool rvu_npc_enable_mcam_by_entry_index(struct rvu *rvu, int entry, int intf, bool enable); 795 void rvu_npc_free_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf); 796 void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf); 797 void rvu_npc_enable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf); 798 void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, 799 int group, int alg_idx, int mcam_index); 800 801 void rvu_npc_get_mcam_entry_alloc_info(struct rvu *rvu, u16 pcifunc, 802 int blkaddr, int *alloc_cnt, 803 int *enable_cnt); 804 void rvu_npc_get_mcam_counter_alloc_info(struct rvu *rvu, u16 pcifunc, 805 int blkaddr, int *alloc_cnt, 806 int *enable_cnt); 807 bool is_npc_intf_tx(u8 intf); 808 bool is_npc_intf_rx(u8 intf); 809 bool is_npc_interface_valid(struct rvu *rvu, u8 intf); 810 int rvu_npc_get_tx_nibble_cfg(struct rvu *rvu, u64 nibble_ena); 811 int npc_flow_steering_init(struct rvu *rvu, int blkaddr); 812 const char *npc_get_field_name(u8 hdr); 813 int npc_get_bank(struct npc_mcam *mcam, int index); 814 void npc_mcam_enable_flows(struct rvu *rvu, u16 target); 815 void npc_mcam_disable_flows(struct rvu *rvu, u16 target); 816 void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, 817 int blkaddr, int index, bool enable); 818 void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, 819 int blkaddr, u16 src, struct mcam_entry *entry, 820 u8 *intf, u8 *ena); 821 bool is_cgx_config_permitted(struct rvu *rvu, u16 pcifunc); 822 bool is_mac_feature_supported(struct rvu *rvu, int pf, int feature); 823 u32 rvu_cgx_get_fifolen(struct rvu *rvu); 824 void *rvu_first_cgx_pdata(struct rvu *rvu); 825 int cgxlmac_to_pf(struct rvu *rvu, int cgx_id, int lmac_id); 826 int rvu_cgx_config_tx(void *cgxd, int lmac_id, bool enable); 827 int rvu_cgx_prio_flow_ctrl_cfg(struct rvu *rvu, u16 pcifunc, u8 tx_pause, u8 rx_pause, 828 u16 pfc_en); 829 int rvu_cgx_cfg_pause_frm(struct rvu *rvu, u16 pcifunc, u8 tx_pause, u8 rx_pause); 830 u32 rvu_cgx_get_lmac_fifolen(struct rvu *rvu, int cgx, int lmac); 831 int npc_get_nixlf_mcam_index(struct npc_mcam *mcam, u16 pcifunc, int nixlf, 832 int type); 833 bool is_mcam_entry_enabled(struct rvu *rvu, struct npc_mcam *mcam, int blkaddr, 834 int index); 835 int rvu_npc_init(struct rvu *rvu); 836 int npc_install_mcam_drop_rule(struct rvu *rvu, int mcam_idx, u16 *counter_idx, 837 u64 chan_val, u64 chan_mask, u64 exact_val, u64 exact_mask, 838 u64 bcast_mcast_val, u64 bcast_mcast_mask); 839 void npc_mcam_rsrcs_reserve(struct rvu *rvu, int blkaddr, int entry_idx); 840 841 /* CPT APIs */ 842 int rvu_cpt_register_interrupts(struct rvu *rvu); 843 void rvu_cpt_unregister_interrupts(struct rvu *rvu); 844 int rvu_cpt_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int lf, 845 int slot); 846 int rvu_cpt_ctx_flush(struct rvu *rvu, u16 pcifunc); 847 848 /* CN10K RVU */ 849 int rvu_set_channels_base(struct rvu *rvu); 850 void rvu_program_channels(struct rvu *rvu); 851 852 /* CN10K RVU - LMT*/ 853 void rvu_reset_lmt_map_tbl(struct rvu *rvu, u16 pcifunc); 854 855 #ifdef CONFIG_DEBUG_FS 856 void rvu_dbg_init(struct rvu *rvu); 857 void rvu_dbg_exit(struct rvu *rvu); 858 #else 859 static inline void rvu_dbg_init(struct rvu *rvu) {} 860 static inline void rvu_dbg_exit(struct rvu *rvu) {} 861 #endif 862 863 /* RVU Switch */ 864 void rvu_switch_enable(struct rvu *rvu); 865 void rvu_switch_disable(struct rvu *rvu); 866 void rvu_switch_update_rules(struct rvu *rvu, u16 pcifunc); 867 868 int rvu_npc_set_parse_mode(struct rvu *rvu, u16 pcifunc, u64 mode, u8 dir, 869 u64 pkind, u8 var_len_off, u8 var_len_off_mask, 870 u8 shift_dir); 871 #endif /* RVU_H */ 872